Any officer or agency of any State or Territory having jurisdiction over commission merchants, dealers, or brokers in such State or Territory and any other interested person (other than an employee of an agency of the Department of Agriculture administering this chapter) may file, in accordance with rules prescribed by the Secretary, a written notification of any alleged violation of this chapter by any commission merchant, dealer, or broker. In addition, any official certificates of the United States Government or States or Territories of the United States and trust notices filed pursuant to section
499e of this title shall constitute written notification for the purposes of conducting an investigation under subsection (c) of this section. The identity of any person filing a written notification under this subsection shall be considered to be confidential information. The identity of such person, and any portion of the notification to the extent that it would indicate the identity of such person, are specifically exempt from disclosure under section
552 of title
5 (commonly known as the Freedom of Information Act), as provided in subsection (b)(3) of such section.